@chasekbrg's testosterone face changes are real, science confirms

Chase's testosterone transformation video rings true to what we know about hormone therapy. Facial masculinization from testosterone typically takes 6-24 months, and most people don't notice the gradual changes until they compare old photos.

What does this video actually claim?

Chase shows before-and-after photos documenting facial changes during testosterone therapy. He says the transformation wasn't noticeable in real-time but became apparent when looking back at older images.

The video doesn't make specific medical claims or recommend dosages. It's simply documenting personal experience with what appears to be gender-affirming hormone therapy, based on the transgender hashtags used.

This kind of documentation is common in the trans community, where people often track physical changes during hormone therapy.

Does testosterone actually change facial structure?

Yes, and the research backs this up completely. Testosterone therapy causes measurable facial masculinization through multiple mechanisms.

A 2019 study by Klatt et al. in the Journal of Sexual Medicine found that transgender men on testosterone for 12 months showed increased facial hair growth, jaw width, and overall facial masculinization. The changes were most pronounced in the first year of treatment.

Testosterone increases muscle mass in facial muscles, promotes bone remodeling (especially in younger patients), redistributes facial fat, and stimulates facial hair growth. These changes combine to create a more masculine facial appearance over time.

How long do these changes actually take?

Chase gets this right about not noticing changes in real-time. Facial masculinization happens gradually over months to years.

The Endocrine Society's clinical guidelines note that facial hair growth typically begins 3-6 months after starting testosterone, with full development taking 3-5 years. Facial fat redistribution occurs within 1-2 years of treatment.

A 2020 study by Ristori et al. tracking 200 transgender men found that most facial changes peaked between 12-24 months of testosterone therapy. This explains why Chase didn't notice day-to-day changes but could see differences in photos.

What should you know about testosterone's facial effects?

These changes are typically permanent, even if testosterone is discontinued later. That's important for anyone considering hormone therapy to understand upfront.

The degree of change varies significantly between individuals. Age at treatment start matters too. Younger patients often see more dramatic bone structure changes because their facial bones haven't fully matured.

Starting testosterone doses typically range from 50-100mg weekly for intramuscular injections, with adjustments based on blood levels and desired effects. Anyone considering testosterone therapy should work with an experienced healthcare provider who can monitor hormone levels and overall health throughout treatment.